Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
szero.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 12:40:27 UTC · ↺ Refresh
MX Hostnames
- mx1-us1.ppe-hosted.com
- mx2-us1.ppe-hosted.com
MX Priorities
- mx2-us1.ppe-hosted.com: 0
- mx1-us1.ppe-hosted.com: 0
A / AAAA Records
- 104.21.83.87 (no PTR)
- 172.67.219.8 (no PTR)
- 2606:4700:3031::ac43:db08 (no PTR)
- 2606:4700:3030::6815:5357 (no PTR)
Mail Server IPs
- 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
- 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
- 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
- 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
SOA Record
Raw SOA
clark.ns.cloudflare.com dns.cloudflare.com 2397075280 10000 2400 604800 1800
Primary NS (mname)
clark.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397075280
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
rita.ns.cloudflare.com
clark.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:24.250.93.41/32 a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms91308975
- ppe-9654c44938f641312c4a
- SPFv=spf1 mx a ip4:24.250.93.41/32 a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com -all
Full email verification for szero.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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